55335223 has 4 divisors (see below), whose sum is σ = 55622128. Its totient is φ = 55048320.

The previous prime is 55335211. The next prime is 55335227. The reversal of 55335223 is 32253355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55335223 - 2⁵ = 55335191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55335191 and 55335200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55335227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143163 + ... + 143548.

It is an arithmetic number, because the mean of its divisors is an integer number (13905532).

Almost surely, 2^55335223 is an apocalyptic number.

55335223 is a deficient number, since it is larger than the sum of its proper divisors (286905).

55335223 is a wasteful number, since it uses less digits than its factorization.

55335223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286904.

The product of its digits is 13500, while the sum is 28.

The square root of 55335223 is about 7438.7648840382. The cubic root of 55335223 is about 381.0663102208.

Adding to 55335223 its reverse (32253355), we get a palindrome (87588578).

The spelling of 55335223 in words is "fifty-five million, three hundred thirty-five thousand, two hundred twenty-three".